Customers across 12 countries use this firm’s “internet of things” technology to boost the efficiency of anything from a fridge to a cash machine. The company collects data from this equipment, which is then analysed and presented via its online platform, allowing clients to use that information to optimise efficiency. Selling a 25% stake in the company to German energy giant Eon in 2015 has helped the Milton Keynes business fund North American expansion — it opened its first US office in 2017. In the same year international sales reached £4.9m under chief executive Frank Jones, 54.